./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:03,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:03,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:55:03,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:55:03,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:55:03,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:03,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:03,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:03,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:03,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:03,990 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:03,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:55:03,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:03,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:03,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:03,993 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:55:03,993 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:55:03,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:03,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:03,995 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:55:03,996 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:03,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:03,997 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:03,998 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:03,998 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:03,999 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:04,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:04,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:04,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:04,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:04,002 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:55:04,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:55:04,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd [2023-11-19 02:55:04,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:04,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:04,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:04,367 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:04,369 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:04,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2023-11-19 02:55:07,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:07,847 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:07,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2023-11-19 02:55:07,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/data/cdb8cd86d/feb57c513fd340bf94c66874aae51203/FLAG215e7ba58 [2023-11-19 02:55:07,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/data/cdb8cd86d/feb57c513fd340bf94c66874aae51203 [2023-11-19 02:55:07,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:07,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:07,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:07,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:07,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:07,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f99dfb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07, skipping insertion in model container [2023-11-19 02:55:07,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,982 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:08,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:08,696 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:08,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:08,899 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:08,907 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:08,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08 WrapperNode [2023-11-19 02:55:08,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:08,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:08,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:08,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:08,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:09,090 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 24, calls inlined = 68, statements flattened = 1824 [2023-11-19 02:55:09,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:09,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:09,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:09,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:09,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:09,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:09,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:09,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:09,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:09,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:09,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:09,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:09,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:09,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:09,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:09,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:09,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:09,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:09,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:09,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:09,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:55:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:55:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:55:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:55:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:55:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:55:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:55:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:55:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:55:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:09,605 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:09,607 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:12,644 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:14,424 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:14,424 INFO L302 CfgBuilder]: Removed 71 assume(true) statements. [2023-11-19 02:55:14,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:14 BoogieIcfgContainer [2023-11-19 02:55:14,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:55:14,441 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:55:14,441 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:55:14,451 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:55:14,452 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:14" (1/1) ... [2023-11-19 02:55:14,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:55:14,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 338 states and 520 transitions. [2023-11-19 02:55:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 520 transitions. [2023-11-19 02:55:14,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:55:14,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:14,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:14,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:14,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:14,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 338 states and 518 transitions. [2023-11-19 02:55:14,861 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 518 transitions. [2023-11-19 02:55:14,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:55:14,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:14,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:15,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 340 states and 521 transitions. [2023-11-19 02:55:15,246 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 521 transitions. [2023-11-19 02:55:15,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:55:15,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:15,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:15,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:55:15,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:15,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:15,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:15,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 339 states and 516 transitions. [2023-11-19 02:55:15,405 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 516 transitions. [2023-11-19 02:55:15,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:55:15,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:15,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:15,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:55:15,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:15,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:15,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 339 states and 512 transitions. [2023-11-19 02:55:15,538 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 512 transitions. [2023-11-19 02:55:15,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:55:15,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:15,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:15,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:55:15,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:15,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:15,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:15,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 339 states and 506 transitions. [2023-11-19 02:55:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 506 transitions. [2023-11-19 02:55:15,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:55:15,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:15,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:15,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:55:15,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:15,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:25,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:55:25,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:25,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 339 states and 500 transitions. [2023-11-19 02:55:25,998 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 500 transitions. [2023-11-19 02:55:25,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:55:25,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:25,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:26,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:26,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:26,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:36,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:55:46,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:55:56,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:55:56,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:56,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 344 states and 506 transitions. [2023-11-19 02:55:56,677 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 506 transitions. [2023-11-19 02:55:56,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:55:56,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:56,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:56,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:55:56,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:56,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:56,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 344 states and 504 transitions. [2023-11-19 02:55:56,891 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 504 transitions. [2023-11-19 02:55:56,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:55:56,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:56,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:57,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:55:57,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:57,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:57,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:57,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 344 states and 502 transitions. [2023-11-19 02:55:57,114 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 502 transitions. [2023-11-19 02:55:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:55:57,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:57,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 02:56:07,479 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:56:07,483 INFO L158 Benchmark]: Toolchain (without parser) took 59580.24ms. Allocated memory was 159.4MB in the beginning and 295.7MB in the end (delta: 136.3MB). Free memory was 117.5MB in the beginning and 183.3MB in the end (delta: -65.9MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2023-11-19 02:56:07,484 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:56:07,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1004.88ms. Allocated memory is still 159.4MB. Free memory was 117.5MB in the beginning and 100.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:56:07,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 181.25ms. Allocated memory is still 159.4MB. Free memory was 100.8MB in the beginning and 90.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 02:56:07,486 INFO L158 Benchmark]: Boogie Preprocessor took 167.13ms. Allocated memory is still 159.4MB. Free memory was 90.3MB in the beginning and 79.1MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:56:07,487 INFO L158 Benchmark]: RCFGBuilder took 5180.07ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 78.4MB in the beginning and 88.8MB in the end (delta: -10.4MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. [2023-11-19 02:56:07,487 INFO L158 Benchmark]: CodeCheck took 53040.81ms. Allocated memory was 237.0MB in the beginning and 295.7MB in the end (delta: 58.7MB). Free memory was 88.8MB in the beginning and 183.3MB in the end (delta: -94.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:56:07,491 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1004.88ms. Allocated memory is still 159.4MB. Free memory was 117.5MB in the beginning and 100.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 181.25ms. Allocated memory is still 159.4MB. Free memory was 100.8MB in the beginning and 90.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 167.13ms. Allocated memory is still 159.4MB. Free memory was 90.3MB in the beginning and 79.1MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5180.07ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 78.4MB in the beginning and 88.8MB in the end (delta: -10.4MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. * CodeCheck took 53040.81ms. Allocated memory was 237.0MB in the beginning and 295.7MB in the end (delta: 58.7MB). Free memory was 88.8MB in the beginning and 183.3MB in the end (delta: -94.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:56:07,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:10,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:10,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2023-11-19 02:56:10,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:10,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:10,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:10,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:10,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:10,248 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:10,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:10,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:10,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:10,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:10,256 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:56:10,257 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:56:10,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:10,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:10,258 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:56:10,259 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:56:10,260 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:56:10,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:56:10,261 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:10,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:10,262 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:10,263 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:10,263 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:10,264 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:10,264 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:56:10,265 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:56:10,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:10,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:10,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:10,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:10,268 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:56:10,268 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:56:10,269 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:56:10,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:56:10,269 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd [2023-11-19 02:56:10,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:10,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:10,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:10,754 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:10,755 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:10,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f5050-a7bd-4a31-849b-23b536d4a063/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i